diff --git a/src/components/settings-groups/settings-groups.ts b/src/components/settings-groups/settings-groups.ts
index b61ca64..9086644 100644
--- a/src/components/settings-groups/settings-groups.ts
+++ b/src/components/settings-groups/settings-groups.ts
@@ -2,7 +2,7 @@ import { Setting } from "obsidian";
 import { folderPathSanitize } from "src/logic/string-processes";
 import GoogleKeepImportPlugin from "src/main";
 import { ConfirmationModal } from "src/modals/confirmation-modal/confirmation-modal";
-import { CreatedDateTypes } from "src/types/plugin-settings";
+import { CreatedDateTypes, MappingPresets } from "src/types/plugin-settings";
 
 
 ///////////////////
@@ -295,29 +295,10 @@ export class CharMappingGroup {
     constructor(containerEl: HTMLElement, plugin: GoogleKeepImportPlugin) {
         
         containerEl.createEl('h2', {text: 'Character Mapping'});
-
-        containerEl.createEl('h3', {text: 'Invalid characters'});
-        containerEl.createEl('p', {text: 'Some characters are invalid when used in file or folder names on certain operating systems.  They will therefore be converted to the following characters.'});
-
-        containerEl.createEl('p', {text: 'You can customise this mapping or selected from a preset.'});
-        
-        for(let k=0; k<plugin.settings.invalidChars.length; k++) {
-            new Setting(containerEl)
-            .setClass('gki_setting-mapping')
-            .setName(plugin.settings.invalidChars[k].char)
-            .addText((text) => {
-                text.setValue(plugin.settings.invalidChars[k].replacement);
-                text.inputEl.addEventListener('blur', async (e) => {
-                    const value = text.getValue();
-                    plugin.settings.invalidChars[k].replacement = value;
-                    text.setValue(value);
-                    await plugin.saveSettings();
-                });
-            })
-        }
+        containerEl.createEl('p', {text: 'Some characters don\'t work so well in file or folder names on certain operating systems. They will therefore be converted according to the following mapping settings.'});
 
         containerEl.createEl('h3', {text: 'Problem characters'});
-        containerEl.createEl('p', {text: 'Some characters are valid but will prevent Obsidian links to them working properly. They will therefore be converted to the following characters.'});
+        containerEl.createEl('p', {text: 'While these won\'t break the imports, they will create issues with links from other files—So are best avoided.'});
         
         for(let k=0; k<plugin.settings.problemChars.length; k++) {
             new Setting(containerEl)
@@ -333,6 +314,41 @@ export class CharMappingGroup {
                     });
                 })
         }
+
+        containerEl.createEl('h3', {text: 'Invalid characters'});
+        containerEl.createEl('p', {text: 'These don\'t work at all on certain operating systems and can break your import or cause errors when transferring files to other operating systems.'});
+
+        const invalidMapDropdown = new Setting(containerEl)
+            // .setClass('gki_setting')
+            .setName('Preset')
+            .setDesc('Automatically adjust mapping below to prevent errors on the selected kinds of devices and operating systems.')
+            .addDropdown((dropdown) => {
+                dropdown.addOption(MappingPresets.all, 'Fix for all');
+                dropdown.addOption(MappingPresets.apple, "Apple");
+                dropdown.addOption(MappingPresets.android, "Android");
+                dropdown.addOption(MappingPresets.windows, "Windows");
+                dropdown.addOption(MappingPresets.linux, "Linux");
+                dropdown.setValue(MappingPresets.all);
+                dropdown.onChange(async (value) => {
+                    // plugin.settings.createdDate = value as CreatedDateTypes;
+                    await plugin.saveSettings();
+                });
+            })
+        
+        for(let k=0; k<plugin.settings.invalidChars.length; k++) {
+            new Setting(containerEl)
+            .setClass('gki_setting-mapping')
+            .setName(plugin.settings.invalidChars[k].char)
+            .addText((text) => {
+                text.setValue(plugin.settings.invalidChars[k].replacement);
+                text.inputEl.addEventListener('blur', async (e) => {
+                    const value = text.getValue();
+                    plugin.settings.invalidChars[k].replacement = value;
+                    text.setValue(value);
+                    await plugin.saveSettings();
+                });
+            })
+        }
         
 
     }
diff --git a/src/main.ts b/src/main.ts
index 38d4613..09f2cac 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -7,6 +7,46 @@ import MastodonIcon from 'src/assets/mastodon';
 ///////////////////
 ///////////////////
 
+export const invalidChars_allPreset = [
+	{	char: '*',	replacement: '+' },
+	{	char: '"',	replacement: "'" },
+	{	char: '\\',	replacement: '-' },
+	{	char: '/',	replacement: '-' },
+	{	char: '<',	replacement: '(' },
+	{	char: '>',	replacement: ')' },
+	{	char: ':',	replacement: '_' },
+	{	char: '|',	replacement: '_' },
+	{	char: '?',	replacement: ''  },
+];
+
+
+export const invalidChars_appleAndroidPreset = [
+	{	char: '*',	replacement: '+' },
+	{	char: '\\',	replacement: '-' },
+	{	char: '/',	replacement: '-' },
+	{	char: ':',	replacement: '_' },
+	{	char: '|',	replacement: '_' },
+	{	char: '?',	replacement: ''  },
+];
+
+
+export const invalidChars_windowsPreset = [
+	{	char: '*',	replacement: '+' },
+	{	char: '"',	replacement: "'" },
+	{	char: '\\',	replacement: '-' },
+	{	char: '/',	replacement: '-' },
+	{	char: '<',	replacement: '(' },
+	{	char: '>',	replacement: ')' },
+	{	char: ':',	replacement: '_' },
+	{	char: '|',	replacement: '_' },
+	{	char: '?',	replacement: ''  },
+];
+
+
+export const invalidChars_linuxPreset = [
+	{	char: '/',	replacement: '-' },
+];
+
 
 /**
  * The default settings that a new install starts with
@@ -34,45 +74,6 @@ export const DEFAULT_SETTINGS: PluginSettings = {
 		isArchived: '#Keep/Archived',
 		isTrashed: '#Keep/Trashed',
 	},
-	// These characters aren't valid in the filepath or name on different operating systems.
-	invalidChars: [
-		{
-			char: '*',
-			replacement: '+'
-		},
-		{
-			char: '"',
-			replacement: "'"
-		},
-		{
-			char: '\\',
-			replacement: '-'
-		},
-		{
-			char: '/',
-			replacement: '-'
-		},
-		{
-			char: '<',
-			replacement: '('
-		},
-		{
-			char: '>',
-			replacement: ')'
-		},
-		{
-			char: ':',
-			replacement: '_'
-		},
-		{
-			char: '|',
-			replacement: '_'
-		},
-		{
-			char: '?',
-			replacement: ''
-		},
-	],
 	// These characters will work infilepath and name but will break linkability.
 	problemChars: [
 		{
@@ -95,10 +96,14 @@ export const DEFAULT_SETTINGS: PluginSettings = {
 			char: '|',
 			replacement: '_'
 		},
-	]
+	],
+	// These characters aren't valid in the filepath or name on different operating systems.
+	invalidChars: JSON.parse( JSON.stringify(invalidChars_allPreset) ),
 }
 
 
+
+
 /**
  * The base plugin class initialised by Obsidian on launch
  */
diff --git a/src/types/plugin-settings.ts b/src/types/plugin-settings.ts
index 1a03bc4..b86160e 100644
--- a/src/types/plugin-settings.ts
+++ b/src/types/plugin-settings.ts
@@ -6,6 +6,14 @@ export enum CreatedDateTypes {
 	import = 'Obsidian import date',
 };
 
+export enum MappingPresets {
+	all = 'all',
+	windows = 'windows',
+	apple = 'apple',
+	android = 'android',
+	linux = 'linux',
+};
+
 export interface CharMap {
 	char: string,
 	replacement: string,
@@ -34,6 +42,6 @@ export interface PluginSettings {
 		isArchived: string,
 		isTrashed: string,
 	},
-	invalidChars: Array<CharMap>,
 	problemChars: Array<CharMap>,
+	invalidChars: Array<CharMap>,
 }